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Guidelines for Examination

 
 
1.1
Technical drawings 

All types of technical drawings are considered drawings within the meaning of the EPC; these include, for instance, perspectives, exploded views, sections and cross-sections, details on a different scale, etc. Drawings also cover "flow sheets and diagrams", under which are subsumed functional diagrams and graphic representations of a given phenomenon which express the relationship between two or more magnitudes.

There are also other graphic forms of presentation which may be included in the description, claims or abstract, in which case they are not subject to the same requirements as drawings. The forms concerned are chemical and mathematical formulae and tables. These are dealt with in A-IX, 11. They may nevertheless be submitted as drawings, in which case they are subject to the same requirements as drawings.